these 40 derivations will be built:
  /nix/store/1ghwax50ih2if7lg5nvxwv04m6hfiady-unit-nix-grpc-daemon.service.drv
  /nix/store/6jk0k999nfr9aqh4c5flchxff61bpb3g-nix.conf.drv
  /nix/store/wr6wdch5zx47zfpiqfqq48k62v4sq1ky-X-Restart-Triggers-nix-daemon.drv
  /nix/store/g9b9hhwhv2w11kbpnpqsmrkbjq10x70c-unit-nix-daemon.service.drv
  /nix/store/xr8fhd26igp0yihpfijqz17jh2wsz5rr-unit-nix-grpc-daemon.service.drv
  /nix/store/2m9wf9x5vwvsakm2hlin33a2xggypf10-system-units.drv
  /nix/store/yakf1zif3zk7n0zfqr842jiir7bk23zg-etc.drv
  /nix/store/z35zj70jdxbq7i9kf9v29s4fh5g3py96-activate.drv
  /nix/store/1ydvlaa762djr9ndvmi1khkszifciil9-nixos-system-worker1-test.drv
  /nix/store/yxrg3hn7ryw4dpggsd18rmpqql35sw2g-nix.conf.drv
  /nix/store/gjk0r7bs0mnd1i1k6z4dgr1hnns6a6p8-X-Restart-Triggers-nix-daemon.drv
  /nix/store/mkbfy20ii79jgnq1k47z1ylj13md96ql-unit-nix-daemon.service.drv
  /nix/store/5kkc26j30md5rb4aa193gb91353qdihn-system-units.drv
  /nix/store/ijb55bnlqs1c46413l1k85rl72h9r7f7-etc.drv
  /nix/store/y5391shwhqpwzjdhqpy2fshgd8sx54mw-activate.drv
  /nix/store/cy42hxlibph7jhmvqd0yqp7grf06kznh-nixos-system-client-test.drv
  /nix/store/2mc86dwv25k9cl5gpvkxfvwj866sxx5v-closure-info.drv
  /nix/store/gg44xmm6v4d95xmxrh7spsy8rq7mxx9l-nix.conf.drv
  /nix/store/p4cz6v6f0sivav3wwygxwwrvsnxfbdxm-X-Restart-Triggers-nix-daemon.drv
  /nix/store/nl2g5ryhndpmxxnyr1yxqxs6dfqkf42v-unit-nix-daemon.service.drv
  /nix/store/qbrshzr2xs3vxjwg6n6yzfszzhgfbqmm-unit-nix-grpc-daemon.service.drv
  /nix/store/x8l47wrxh3flgflk9b6k1mh5acb1dnn6-system-units.drv
  /nix/store/778n9d6jl3dr1x71knlc5qmaq9fx6qs0-etc.drv
  /nix/store/67yxfqzsfwzmhr7r8nd7l7sfv3mzfp0g-system-units.drv
  /nix/store/iq0j4x9gb5szd74vp43n1yfq4mdgsfw4-etc.drv
  /nix/store/wfpw09rvm0xy3pvkmv1fwk08xv5k5cqf-activate.drv
  /nix/store/kdym5cfh04aqc5slyhskn436vxh3m7ca-nixos-system-worker2-test.drv
  /nix/store/mp9gvc0nksvjyalrrywngn8v5dyy02hj-activate.drv
  /nix/store/2zanivlv246w5jv3ihn2x55sqp1r90n2-nixos-system-worker2-test.drv
  /nix/store/694v04l5bjzjvwgxk04w7s1x163grl5q-closure-info.drv
  /nix/store/g6i8l5fv8mrbdv6lx347x901lsg0m2lg-run-nixos-vm.drv
  /nix/store/kfswwlnl9g1w2waby8s79agb6z3bfn57-nixos-vm.drv
  /nix/store/iq9pkcl44wb94pafkyxc85k1dni6hpfx-closure-info.drv
  /nix/store/psgzqiknmnpqhnvq985p984d2ag8d1f9-run-nixos-vm.drv
  /nix/store/kv3xvjqvsjx690jr9iysx92f03m88dv5-nixos-vm.drv
  /nix/store/wvyh5ibsl34lx6h1zfybyl35h6pzys3f-run-nixos-vm.drv
  /nix/store/xwz9dns7vp3km88c1p1v6ldn1lssfajc-nixos-vm.drv
  /nix/store/8m8mf2ri7vvx8wbmv0z9jwg8f14swq5j-driverConfiguration.json.drv
  /nix/store/ihmj7jc7y0qks1qss3799h4b57vjain5-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/90a74kir7dw4lpasksqfd0rxazlvxdij-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/90a74kir7dw4lpasksqfd0rxazlvxdij-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/v6fnsark6pinrlgrdniriq6bkpjici4f-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpeil5o4n0/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpeil5o4n0/worker2_host.socket
       > additionally exposed symbols:
       >     client, lb, worker1, worker2,
       >     vlan1,
       >     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
       > Traceback (most recent call last):
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 437, in run_tests
       >     self.test_script()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 395, in test_script
       >     exec(self.tests, symbols, None)
       >     ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "<string>", line 42, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['/nix/store/9a3yrxim59m9dapm19bsk3bdicb7r8ah-nix-grpc-e2e/bin/nix-grpc-e2e', 'farm::serial::', '--test-threads=1', '--nocapture']' returned non-zero exit status 101.
       For full logs, run:
         nix log /nix/store/90a74kir7dw4lpasksqfd0rxazlvxdij-vm-test-run-nix-grpc-farm.drv